Experimental study on plasmin and hyaluronidase inducing posterior vitrous detachment of pigs

Objective To investigate the efficacy and safety of intravitreal injection of plasmin or hyaluronidase or the combination of these two proteases on inducing posterior vitreous detachment(PVD) and evaluate the efficacy of these three methods. Methods 15 little type pigs were assigned to three groups(group A,B and C),5 in every group.Any eye of every pig was injected proteases,the follow eye was control.Group A received a vitreous injection of...